Ornamental bird design



FIG. 1 is a perspective view showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a back view thereof. 

The ornamental design for a ornamental bird design, as shown and described. 